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The Effects of Energy Efficient Design and Construction on LIHTC Housing in Virginia

Virginia Tech research on energy savings in LIHTC housing, revealing cost burdens and ways to improve efficiency through behavioral changes and education. Conducting cost-benefit analysis and planning expanded studies for greater insights and benefits.

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The Effects of Energy Efficient Design and Construction on LIHTC Housing in Virginia

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  1. The Effects of Energy Efficient Design and Construction on LIHTC Housing in Virginia

  2. Partners: Virginia Tech Center for Housing Research and EarthCraft Virginia • Collected utility usage data & behavior surveys • 15 LIHTC apartment communities (family & senior, new construction & rehab) throughout Virginia Housing Virginia’s Study

  3. Energy Costs The cost of residential electricity for the consumer (resident) has risen by 31% in Virginia since 2001 U.S Energy Information Administration, Electricity Data Browser, 2015

  4. Energy Costs • Energy cost burden (percentage of housing cost going to energy ) for median income household = 13% • Energy cost burden for low-income household = 25% or more • Of the energy consumed, over 40% of the cost goes to space heating and air conditioning

  5. Findings: Energy Savings Average tenant saved 464 kWhper month = $54 per month($648/year) *For the State of Virginia

  6. Findings: Energy Savings • Apartments in the study: • Use 40% less energythan housing built to existing code requirements • Performed 17% better than forecast in the model

  7. Findings: Behavioral Survey Resident survey reveals that additional savingscould be achieved with improved education/incentive programs

  8. Findings: Behavioral Survey • Most residents hand-washed dishes and kept windows open during most of the year • The majority of residents reported not receiving adequate education on the energy efficiency technologies in their units • Thermostat settings: • 72-75°(winter) • 68-72°(summer)

  9. Next Steps: Resident Education Conducting resident education experimental design study using traditional & alternative methods • Traditional approach= Testing the effectiveness of several different direct resident education models • In-home, one-on-one education • Group classes • Video / other virtual educational modalities • Alternative approach = innovative energy saving incentives • In-home devices (that monitor and help manage energy consumption) • Providing energy savings “up front” • Competitions for “lowest bill” or “most improved” among residents

  10. Next Steps: Cost-Benefit Analysis Cost-benefit analysis of green vs. non-green developments in Virginia Cost of EE features Savings from EE features

  11. Next Steps: Expanded Scope Expansion of current study over volume & time + Implementation of VHDA-required utility release program

  12. www.housingvirginia.org admin@housingvirginia.org

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